Does the number of radioactive nuclei in a sample decrease to exactly half its original value in one half-life? Explain in terms of the statistical nature of radioactive decay.

Q: A sample of the radioactive nuclide 199Pt is prepared that has an initial activity of 7.80×1011 Bq…

A: a) We know ,   half life t12=t ln2ln NoNtinitial activity = 7.8x1011next activity = 9.45x1010

Q: The radioactive isotope (95Nb) has a half-life of 35 days. A sample containing this isotope has an…

A: Half life , T12 = 35 days =35 x 24 = 840 hours  Initial Activity , A0 = 4.5 x 108 Bq T1 = 36 hours…

Q: a) The half-life of iodine-125 is 59.4 days. If the initial mass of iodine-125 is 128 µg, what mass…

A: a) Given, the half-life of iodine-125 is T12=59.4days the initial mass of iodine is…

Q: A particular radioactive sample undergoes 2.50××10^6 decays/s. a) What is the activity of the…

A: In the given question , We have to determine  the values of given parts.

Q: In a lab a radioactive sample is studied for 5 days. It was observed that the radioactive nuclides…

A: Radioactive decay is the process by which an unstable nucleus becomes stable. The decay process is…

Q: A sealed box containing alloys of metal A and Metal B consisting of the same parts accordingly.…

A: We need to find the age of the alloy based on the given information.

Q: You measure the decay rate of a radioactive sample to be 4.225 x 101 Bq. After 139 seconds, the…

A:

Q: A radioactive sample with a half-life of 5.3 weeks has 1.04e+15 nuclides present in the initial…

A:

Q: E c) For a radio-nuclide, a number No of atoms at time t = 0 decays as N(t) = No e¯‹, where A is the…

A: Part i:Part ii:Part iii:

Q: he half-life of the radioactive nucleus 88 Ra 226 is 1.6 × 10 3 yr. If a sample initially contains…

A: